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package com.bishe.service.impl;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.collection.CollStreamUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.bishe.entity.Teacher;
import com.bishe.entity.resp.CommonPageRequest;
import com.bishe.entity.resp.CommonSortOrderEnum;
import com.bishe.exception.CommonException;
import com.bishe.mapper.TeacherMapper;
import com.bishe.param.TeacherAddParam;
import com.bishe.param.TeacherEditParam;
import com.bishe.param.TeacherIdParam;
import com.bishe.param.TeacherPageParam;
import com.bishe.service.TeacherService;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;

/**
 * teacherService接口实现类
 *
 * @author wwz
 * @date  2024/03/11 14:01
 **/
@Service
public class TeacherServiceImpl extends ServiceImpl<TeacherMapper, Teacher> implements TeacherService {

    @Override
    public Page<Teacher> page(TeacherPageParam teacherPageParam) {
        QueryWrapper<Teacher> queryWrapper = new QueryWrapper<>();
        if (ObjectUtil.isAllNotEmpty(teacherPageParam.getSearchKey(), teacherPageParam.getSearchValue())){
            queryWrapper.eq(true,StrUtil.toUnderlineCase(teacherPageParam.getSearchKey()),teacherPageParam.getSearchValue());
        }
        if(ObjectUtil.isAllNotEmpty(teacherPageParam.getSortField(), teacherPageParam.getSortOrder())) {
            CommonSortOrderEnum.validate(teacherPageParam.getSortOrder());
            queryWrapper.orderBy(true, teacherPageParam.getSortOrder().equals(CommonSortOrderEnum.ASC.getValue()),
                    StrUtil.toUnderlineCase(teacherPageParam.getSortField()));
        } else {
            queryWrapper.lambda().orderByAsc(Teacher::getId);
        }
        return this.page(CommonPageRequest.defaultPage(), queryWrapper);
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public void add(TeacherAddParam teacherAddParam) {
        Teacher teacher = BeanUtil.toBean(teacherAddParam, Teacher.class);
        this.save(teacher);
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public void edit(TeacherEditParam teacherEditParam) {
        Teacher teacher = this.queryEntity(teacherEditParam.getId());
        BeanUtil.copyProperties(teacherEditParam, teacher);
        this.updateById(teacher);
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public void delete(List<TeacherIdParam> teacherIdParamList) {
        // 执行删除
        this.removeByIds(CollStreamUtil.toList(teacherIdParamList, TeacherIdParam::getId));
    }

    @Override
    public Teacher detail(TeacherIdParam teacherIdParam) {
        return this.queryEntity(teacherIdParam.getId());
    }

    @Override
    public Teacher queryEntity(String id) {
        Teacher teacher = this.getById(id);
        if(ObjectUtil.isEmpty(teacher)) {
            throw new CommonException("teacher不存在，id值为：{}", id);
        }
        return teacher;
    }
}
